nobu	2017-09-03 09:39:23 +0900 (Sun, 03 Sep 2017)

  New Revision: 59730

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=59730

  Log:
    string.c: suppress a warning
    
    * string.c (rb_str_enumerate_grapheme_clusters): suppress a
      maybe-uninitialized warning by old gcc.

  Modified files:
    trunk/string.c
Index: string.c
===================================================================
--- string.c	(revision 59729)
+++ string.c	(revision 59730)
@@ -8090,7 +8090,7 @@ rb_str_enumerate_grapheme_clusters(VALUE https://github.com/ruby/ruby/blob/trunk/string.c#L8090
     rb_encoding *enc = rb_enc_from_index(encidx);
     int unicode_p = rb_enc_unicode_p(enc);
     const char *ptr, *end;
-    VALUE ary;
+    VALUE MAYBE_UNUSED(ary);
 
     if (!unicode_p) {
 	return rb_str_enumerate_codepoints(str, wantarray);

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